| article html file updated | 9 February 2020 07:02 CET | Update | https://www.mdpi.com/1422-0067/19/2/609 |
| article html file updated | 30 September 2019 21:38 CEST | Update | - |
| article html file updated | 1 May 2019 17:36 CEST | Update | - |
| article html file updated | 17 April 2019 16:56 CEST | Update | - |
| article html file updated | 29 March 2019 00:10 CET | Update | - |
| article html file updated | 14 March 2018 19:38 CET | Update | - |
| article html file updated | 23 February 2018 11:24 CET | Original file | - |
| article xml uploaded. | 23 February 2018 11:23 CET | Update | https://www.mdpi.com/1422-0067/19/2/609/xml |
| article xml uploaded. | 23 February 2018 11:23 CET | Original file | - |
| article pdf uploaded. | 23 February 2018 11:23 CET | Updated version of record | https://www.mdpi.com/1422-0067/19/2/609/pdf |
| article pdf uploaded. | 18 February 2018 12:20 CET | Version of Record | https://www.mdpi.com/1422-0067/19/2/609/pdf-vor |
